31101440

素因数分解:

$2^9\times 5^1\times {\mathrm{12149}}^1$

素因数の和:12172

約数の個数: 40

約数和(自身を含む): 74576700

約数和(自身を除く): 43475260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 12149, 24298, 48596, 60745, 97192, 121490, 194384, 242980, 388768, 485960, 777536, 971920, 1555072, 1943840, 3110144, 3887680, 6220288, 7775360, 15550720, 31101440]

約数ペア:

[(1, 31101440), (2, 15550720), (4, 7775360), (5, 6220288), (8, 3887680), (10, 3110144), (16, 1943840), (20, 1555072), (32, 971920), (40, 777536), (64, 485960), (80, 388768), (128, 242980), (160, 194384), (256, 121490), (320, 97192), (512, 60745), (640, 48596), (1280, 24298), (2560, 12149)]